New Moon

Solar System NASA Planets

The Solar System formed 4. 6┬ábillion years ago from the gravitational collapse of a giant interstellar molecular cloud. The vast majority of the system’s mass is in the Sun, with the majority of the remaining mass contained in Jupiter. The four smaller inner planets, Mercury, Venus, Earth and Mars, are terrestrial planets, being primarily composedRead more

New Moon

Dark Matter Exia Feet

Primary evidence for dark matter comes from calculations showing that many galaxies would fly apart, or that they would not have formed or would not move as they do, if they did not contain a large amount of unseen matter. Other lines of evidence include observations in gravitational lensing and in the cosmic microwave background,Read more

New Moon

Allen Bradley MCC Lockout

The company was founded in 1903 as the Compression Rheostat Company by Dr. Stanton Allen and Lynde Bradley with an initial investment of $1,000. In 1910 the firm was renamed Allen-Bradley Company; for close to the next century it provided the bulk of discrete resistors used for electronics and other products. [citation needed] In 1952Read more

New Moon

Apollo 13 Landing On The Moon

Even before the first U. S. astronaut entered space in 1961, planning for a centralized facility to communicate with the spacecraft and monitor its performance had begun, for the most part the brainchild of Christopher C. Kraft, who became NASA’s first flight director. During John Glenn’s Mercury Friendship 7 flight in February 1962 (the firstRead more